thin-provisioning-tools/xml_format.cc
2011-10-10 16:14:36 +01:00

121 lines
2.5 KiB
C++

#include "xml_format.h"
#include <iostream>
using namespace std;
using namespace thin_provisioning;
namespace tp = thin_provisioning;
//----------------------------------------------------------------
namespace {
class xml_emitter : public emitter {
public:
xml_emitter(ostream &out)
: out_(out),
indent_(0) {
}
void begin_superblock(string const &uuid,
uint64_t time,
uint64_t trans_id,
uint32_t data_block_size) {
indent();
out_ << "<superblock uuid=\"" << uuid << "\""
<< " time=\"" << time << "\""
<< " transaction=\"" << trans_id << "\""
<< " data_block_size=\"" << data_block_size << "\">"
<< endl;
inc();
}
void end_superblock() {
dec();
indent();
out_ << "</superblock>" << endl;
}
void begin_device(uint32_t dev_id,
uint64_t mapped_blocks,
uint64_t trans_id,
uint64_t creation_time,
uint64_t snap_time) {
indent();
out_ << "<device dev_id =\"" << dev_id << "\""
<< " mapped_blocks=\"" << mapped_blocks << "\""
<< " transaction=\"" << trans_id << "\""
<< " creation_time=\"" << creation_time << "\""
<< " snap_time=\"" << snap_time << "\">" << endl;
inc();
}
void end_device() {
dec();
indent();
out_ << "</device>" << endl;
}
void begin_named_mapping(string const &name) {
indent();
out_ << "<named_mapping>" << endl;
inc();
}
void end_named_mapping() {
dec();
indent();
out_ << "</named_mapping>" << endl;
}
void identifier(string const &name) {
indent();
out_ << "<identifier name=\"" << name << "\"/>" << endl;
}
void range_map(uint64_t origin_begin, uint64_t data_begin, uint64_t len) {
indent();
out_ << "<range_mapping origin_begin=\"" << origin_begin << "\""
<< " data_begin=\"" << data_begin << "\""
<< " length=\"" << len << "\"/>"
<< endl;
}
void single_map(uint64_t origin_block, uint64_t data_block) {
indent();
out_ << "<single_mapping origin_block=\"" << origin_block << "\""
<< " data_block=\"" << data_block << "\"/>" << endl;
}
private:
void indent() {
for (unsigned i = 0; i < indent_ * 2; i++)
out_ << ' ';
}
void inc() {
indent_++;
}
void dec() {
indent_--;
}
ostream &out_;
unsigned indent_;
};
}
//----------------------------------------------------------------
tp::emitter::ptr
tp::create_xml_emitter(ostream &out)
{
return emitter::ptr(new xml_emitter(out));
}
//----------------------------------------------------------------